Astros Roster & Staff
Transactions
| Date | Transaction |
| 10/29/26 | RHP Bryan Abreu elected free agency. |
| 10/29/26 | LHP Steven Okert elected free agency. |
| 10/29/26 | RHP Enyel De Los Santos elected free agency. |
| 10/29/26 | C Christian Vázquez elected free agency. |
| 10/29/26 | CF Daulton Varsho elected free agency. |
| 10/29/26 | 1B LaMonte Wade Jr. elected free agency. |
| 10/27/26 | Houston Astros released LF Nelson Velázquez. |
| 10/01/26 | Houston Astros activated RHP Alimber Santa. |
| 10/01/26 | Houston Astros activated CF Daulton Varsho. |
| 10/01/26 | Houston Astros activated LF Zach Dezenzo. |
| 10/01/26 | Houston Astros activated RHP Cristian Javier. |
| 10/01/26 | Houston Astros activated LF LaMonte Wade Jr.. |
| 10/01/26 | Houston Astros activated RHP Enyel De Los Santos. |
| 10/01/26 | Houston Astros activated RHP Ronel Blanco. |
| 10/01/26 | Houston Astros activated LHP Steven Okert. |
| 10/01/26 | Houston Astros activated RHP Ethan Pecko. |
| 10/01/26 | Houston Astros activated C Collin Price. |
| 10/01/26 | Houston Astros activated CF Brice Matthews. |
| 10/01/26 | Houston Astros activated LF Zach Cole. |
| 10/01/26 | Houston Astros activated RHP Kai-Wei Teng. |
| 10/01/26 | Houston Astros activated CF Jorge Barrosa. |